Dumping-cage for crushers and pulverizers.



No. 843,729. PATENTED FEB. 12, 1907 M. F. WILLIAMS. DUMPING GAGE FORGRUSHERS AND PULVERIZERS.

APPLICATION FILED JULY 24, 1905.

Witnesses lmlen or Q. fm@@w5l Elton F. Williarfis fix,

v UNITED sr 'rEs PATENT (cr mes.

MILTON F. W LLIAMS, or ST. LOUIS, MISSOURI, 'ASSIGNOR TO WIILIAMS' PAT-ENT CRUSHER & PULVERIZER COMPANY, OF ST. LOUIS, MISSOURI, A

CORPORATION OF MISSOURI.

Specification of Letters Patent. Application filed July 24, 1905. SerialIl'o. 271.016.

' Patented Feb. 12, 1907.

To all whom it may concern:

I3e it known that I, MILTON F, WILLIAMS, a citlzen'of the United States,residing at St.

Louis, Missouri, have invented a certain new and useful Improvement inDumping-Cages for Crushers and Pulverizers, of which thefollowing isa'full, clear, and exact descrilp e tion, such as will enable othersskilled in t art to which it appertains to make and use the same,reference being had to the accompanymg drawin s, forming part of thisspecification, in whic h Figure 1 is a sectional view through myimprovedmachine. Fig. 2 is a detail view of the dum ing oage. Fig. 3 isa sectional view on the line 3 3 of Fig. 1, and Fig.4 is a perspeQtiveview showingone o'f'the adjustingwedges in operative engagement with thelaterally-extending projection on the grindingsurface frame.

This invention relates to a new and useful improvement in dum ing-cagesfor crushers andipulverizers, the o ject being to construct a cage insuch manner that when the machine chokes .it is possible to dump thecontents thereof without raising the cover and removing the materialfrom the top. y

In the operation of my machine, especially where electric motors areemployed as a driving medium, it sometimes happens that the fuse willblow out or other accidents'happen during the time that the machine isin operation, causing the machine to stop and leaving the material beingoperated upon. in the ma- Under these circumstances it-is impossible tostart the machine without first removing such material, it beingnecessary to get the machine up to full speed before introdueing themate-rial thereinto to be reduced.

My present invention therefore consists in making the grinding surfaceor cage .with

which the revolving heaterscooperate to reduce the material wholly orpartly movable, means for moving the same extending to the exterior ofthe machine,wherebyin the event that the machine stops with a load orbecome choked it is possible for the operator to dump the contents ofthe cage and free the machine.

In the drawings, 1 indicates 1 the side frames, and 2 the removablecover.

3 is the adjustablebreaker plate, arranged at the feed end of themachine and on which the material entering the machine is first struckby the revolvingbeaters or hammers 4, mounted in suitable supports, inthis instance said supports being shown as crossed arms 5, having holesin their ends, whereby the hammers may be adjustably mounted therein.

6 indicates a portion of the cage or grindingsurface, preferably thatlocated at'the back tionarily mounted in the side frames.

7 indicates a movable portion of the cage, the same being mounted in theside frames 8,

rod 9. These side frames 8 are connected in any suitable manner andpreferably-carry a cross-bar 10 at their free ends, in which are mountedscrew-eyes 1-1. Chains '12 are sethe rear end thereof. On thiswinding-shaft is a ratchet-wheel 14, with which cooperates to the shaftwhereby the same may be rotated.

in dotted lines in Fig. 1, and in the event that the machine chokes thepawl 15 is raised and to drop, as shown by fulllines in said Fig. 1. Inthis position the major portion'of the contents of the machine .isdischarged through the bottom thereof, and after said discharge throughits hand-wheel to raise the cage to its normal operating position. Ifdesired, theside frames 8 may be provided with threaded openings 17,which are designed to register cage is in its normal operating position.Screws 19 may be inserted through the slots to the striking-points ofthe hammers 4. These wedge-blocks are useful also in adjusting themovable section 7 to take up the wear of the hammers.

construction of the revolving heaters, as the form the subject-matter ofa separate appll- N 0. 260,499. ever, that my improved cage is notlimited to of the machine, which portion may be sta-' The operativeposition of theparts is shown I pivotally arranged on atransversely-disposed 6 5 cured to these screw-eyes and pass over awinding drum or shaft 13, mounted in the, side frames of the machine andpreferably in a pawl 15. A hand-wheel 16 is also secured l the dumpingportion 7 of the cage permitted the winding-drum may .be manipulated 8 Iwith slots 18 in the side frames 1 when the I have not hereinspecifically described the cation filedby me on May 15,1905, Serial Itshould be understood, how- 10 5 use in combination with the kind ofbeaters winding. mechanism for said flexible device,

the pivot of said frame being located below the grinding-surface whenthe frame is in operative position.

2. In a machine of the character described,

- the combination of a casing, revolving hammers orbeaters mountedtherein, a frame piv- 'otally mounted in said casing, a grindingsurfacecarried by said pivotally-mounted frame, said frame being adapted to beactuated to dump the material resting onsaid grinding-surface, a chainconnected to. the

free end of said frame, a winding-shaf t around WhlCh said chain iswound to restore 'said frame and grinding-surface to normal position, ahandwheel on said shaft for rotating same, aTatchet-wheel carried bysaid shaft, and a cooperating pawl for engaging said wheel to preventretrograde movement.

of said shaft; substantially as described;

3. In a machine of the character described the combination ofthe casing,revolving hammers or beaters arranged therein, a pivotallymounted frameinside of the casing and provided with a rigid grinding-surface,removable devices projecting laterally from said frame through openingsin'the side walls of the casing, and wedges cooperating with saiddevices for. adjusting the free end of the frame to take up wear betweenthe grindingsurface and the ends of the hammers.

4. In a machine of the character described, the combination with acasing, pwotallymounted revolving hammers or heaters, a

frame pivotally-mounted in said casing, a

grinding-surface carried by said frame, a flexible device connected tosaid frame,

winding mechanism for said flexible device,

and independent means for adjusting the frame when in operating positionsubstantially as described.

5. In a machine of the character described, the combination of a casing,pivoted revolving hammers or heaters, a pivoted frame mounted in thecasing, a grinding-surface carried by said frame, a chain connected tosaid grinding-surface, a winding mechanism cooperating with said chain,removable projections which are designed to be connected to anddisconnected from said frame from' the outside of the casing, and meanscooperating with said projections for tdJUSlllIlg the free ends of saidpivoted frame and its carried grinding-surface when the same-is inoperating position; substantially as described.

6. In a machine of the class described, the

combination with a casing, of revolving beaters mounted therein, apivotally-mounted grinding-surface arranged inside of the casing andprovided with members that project laierally through slots in the sidewalls of the casing, and wedges at each side of the casing cooperatingwith the laterally-projecting members on the grinding-surface to changeits position relatively to the ends of the beaters; substantially asdescribed.

In testimony whereof I hereunto aflix my signature, in the presence oftwo Witnesses, this 14th day of July, 1905.

MILTON F. \VILLIAMS;

Witnesses:

F. R. CORNWALL, GEORGE BAKEWELL.

